Leveraging communication information among readers for RFID data cleaning

Authors:
Tao Jiang;Yingyuan Xiao;Xiaoye Wang;Yukun Li
Affiliations:
Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology, Tianjin University of Technology, Tianjin, China;Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology, Tianjin University of Technology, Tianjin, China;Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology, Tianjin University of Technology, Tianjin, China;Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology, Tianjin University of Technology, Tianjin, China
Venue:
WAIM'11 Proceedings of the 12th international conference on Web-age information management
Year:
2011

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Abstract

Radio Frequency Identification (RFID) technologies are used in many applications for data collection. However, raw RFID readings are usually of low quality due to frequent occurrences of false negative, false positive and duplicate readings. A number of RFID data cleaning techniques are proposed to solve the problem. In this paper we explore to use communication information for RFID data cleaning and make RFID readers produce less dirty data at the early stage. First, we devise a reader communication protocol for efficiently utilizing the communication information among readers. Then, the cell event sequence tree with parameters is proposed. Finally, we present three novel RFID data cleaning methods, respectively for duplicate readings, false positive readings and data interpolating. To the best of our knowledge, this is the first work utilizing the communication information among readers in RFID data cleaning. We conduct extensive experiments, and the experimental results demonstrate the feasibility and effectiveness of our methods.